package com.fpc.cn.springbootutil.common;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @date 2025/4/27
 * @author fupengcheng
 * @describe
 */
@Component
public class ApplicationUtil implements ApplicationContextAware, InitializingBean {
    private static ApplicationContext applicationContext;

    public static <T> T cast(Object x) {
        return (T) x;
    }

    @Override
    public void setApplicationContext( ApplicationContext applicationContext) throws BeansException {
        ApplicationUtil.applicationContext = applicationContext;
    }

    public static <T> T getBean(String name) {
        return cast(applicationContext.getBean(name));
    }
    public static <T> T getBean(Class<T> clazz){
        return applicationContext.getBean(clazz);
    }

    public static <T> T getBean(String name, Class<T> requiredType) {
        return applicationContext.getBean(name, requiredType);
    }

    public static boolean containsBean(String name) {
        return applicationContext.containsBean(name);
    }

    public static boolean isSingleton(String name) {
        return applicationContext.isSingleton(name);
    }

    public static Class<?> getType(String name) {
        return applicationContext.getType(name);
    }

    /**
     * 获取Spring上下文
     * @return Spring上下文
     */
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    /**
     * 打印IOC容器中所有的Bean名称
     *
     */
    @Override
    public void afterPropertiesSet() {
		// 获取所有bean的名字  applicationContext.getBeanDefinitionNames()
    }

}
